260167121 has 2 divisors, whose sum is σ = 260167122. Its totient is φ = 260167120.

The previous prime is 260167051. The next prime is 260167151. The reversal of 260167121 is 121761062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 248850625 + 11316496 = 15775^2 + 3364^2 .

It is a cyclic number.

It is not a de Polignac number, because 260167121 - 2¹⁰ = 260166097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260167151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130083560 + 130083561.

It is an arithmetic number, because the mean of its divisors is an integer number (130083561).

Almost surely, 2^260167121 is an apocalyptic number.

It is an amenable number.

260167121 is a deficient number, since it is larger than the sum of its proper divisors (1).

260167121 is an equidigital number, since it uses as much as digits as its factorization.

260167121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 260167121 is about 16129.6968663394. The cubic root of 260167121 is about 638.3871506609.

The spelling of 260167121 in words is "two hundred sixty million, one hundred sixty-seven thousand, one hundred twenty-one".